Abstract Algebra, Week 2

The recommended homework for this week is to read the Note on Additive Notation on page 198 and on pages 207-208 and to do Problems #2, 3, 4, 11, and 15 from Section 7.2 and Problems #3 and 11 from Section 7.3. The required homework (due January 23) is Problems #9 and 24 from Section 7.2 and #1, 14a & 15a, and 25 from Section 7.3.